fix(blocky): fix additional bootstap dns (#8029)

**Description**
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Please include a summary of the change and which issue is fixed. Please
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⚒️ Fixes #8014
⚒️ Fixes #7990

**⚙️ Type of change**

- [ ] ⚙️ Feature/App addition
- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code

**🧪 How Has This Been Tested?**
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**📃 Notes:**
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**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
- [ ] ⬆️ I increased versions for any altered app according to semantic
versioning

**➕ App addition**

If this PR is an app addition please make sure you have done the
following.

- [ ] 🪞 I have opened a PR on
[truecharts/containers](https://github.com/truecharts/containers) adding
the container to TrueCharts mirror repo.
- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

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charts/enterprise/blocky/Chart.yaml

@@ -25,7 +25,7 @@ sources:
   - https://0xerr0r.github.io/blocky/
   - https://github.com/0xERR0R/blocky
   - https://github.com/Mozart409/blocky-frontend
-version: 5.0.15
+version: 5.0.16
 annotations:
   truecharts.org/catagories: |
     - network

charts/enterprise/blocky/questions.yaml

@@ -439,12 +439,22 @@ questions:
           schema:
             type: string
             default: 2s
-        - variable: failStartOnListError
-          label: Fail Start on List Error
-          description: Fail to start if at least one list can't be downloaded or opened
+        - variable: startStrategy
+          label: Start Strategy
+          description: |
+            blocking: all blocking lists will be loaded before DNS resolution starts.</br>
+            failOnError: like blocking but blocky will shut down if any download fails.</br>
+            fast: DNS resolution starts immediately without blocking which will be enabled after list load is completed
           schema:
-            type: boolean
-            default: false
+            type: string
+            default: blocking
+            enum:
+              - value: blocking
+                description: Blocking
+              - value: failOnError
+                description: Fail On Error
+              - value: fast
+                description: Fast
         - variable: processingConcurrency
           label: Processing Concurrency
           description: Sets how many list-groups can be processed at the same time

charts/enterprise/blocky/templates/_blockyConfig.tpl

@@ -113,9 +113,11 @@ bootstrapDns:
   {{- with .upstream }}
   - upstream: {{ . }}
   {{- end }}
-  {{- range $id, $value := .ips }}
+  {{- if .ips }}
     ips:
+    {{- range $id, $value := .ips }}
       - {{ $value }}
+    {{- end }}
   {{- end }}
   {{- end }}
 {{- end }}
@@ -204,7 +206,7 @@ blocking:
   downloadTimeout: {{ .Values.blocking.downloadTimeout }}
   downloadAttempts: {{ .Values.blocking.downloadAttempts }}
   downloadCooldown: {{ .Values.blocking.downloadCooldown }}
-  failStartOnListError: {{ .Values.blocking.failStartOnListError }}
+  startStrategy: {{ .Values.blocking.startStrategy }}
   processingConcurrency: {{ .Values.blocking.processingConcurrency }}
 {{- if .Values.blocking.whitelist }}
   whiteLists:

charts/enterprise/blocky/values.yaml

@@ -207,8 +207,8 @@ blocking:
   downloadAttempts: 3
   # -- Sets the block download cooldown
   downloadCooldown: 2s
-  # -- Set to fail start of lists cannot be downloaded
-  failStartOnListError: false
+  # -- Set the start strategy (blocking | failOnError | fast)
+  startStrategy: blocking
   # -- Sets how many list-groups can be processed at the same time
   processingConcurrency: 4
   # --  Add blocky whitelists